Binocular adjustment knob



FIG. 1 is a top plan view of a binocular adjustment knob showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a perspective view thereof with the binocular shown in broken lines for illustrative purposes only. 

The ornamental design for a binocular adjustment knob, as shown and described. 